Toothbrush



FIG. 1 is a perspective view of a toothbrush showing my new design;

FIG. 2 is a front view of the toothbrush;

FIG. 3 is a rear view of the toothbrush;

FIG. 4 is a left side view of the toothbrush;

FIG. 5 is a top view of the toothbrush; and,

FIG. 6 is a bottom view of the toothbrush.

The broken lines in the FIGURES showing the bristles of the toothbrushare for illustrative purposes only and form no part of the claimeddesign.

I claim the ornamental design for a toothbrush, as shown and described.